Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

Concord, Buchanan Field (KCCR)

Lat: 37.99167°NLon: 122.05194°WElev: 23.0ft.

Clear

37°F

3°C

Humidity 93%
Wind Speed N 0 MPH
Barometer 30.14 in (1020.66 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 21 Feb 01:20 AM PST
Extended Forecast for

4 Miles E Hercules CA

Cold Weather Advisory until February 21, 09:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory until February 21, 09:00am

    NOW until 9:00am Sat

    Cold Weather Advisory

  • Overnight

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 57. East wind 7 to 14 mph becoming south in the afternoon. Winds could gust as high as 21 mph.

    High: 57 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A 10 percent chance of rain after 4am.  Partly cloudy, with a low around 44. South southeast wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 44 °F

    Mostly Clear
    then Slight
    Chance Rain

  • Sunday

    Sunday: A 20 percent chance of rain before 10am.  Partly sunny, with a high near 62. South wind around 9 mph.

    High: 62 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44. West wind around 6 mph becoming east northeast after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of rain after 4pm.  Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: Rain, mainly after 10pm.  Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Rain

  • Tuesday

    Tuesday: Rain.  Cloudy, with a high near 58.

    High: 58 °F

    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 39. East southeast wind around 6 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 57. East wind 7 to 14 mph becoming south in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
A 10 percent chance of rain after 4am. Partly cloudy, with a low around 44. South southeast wind 10 to 13 mph, with gusts as high as 21 mph.
Sunday
A 20 percent chance of rain before 10am. Partly sunny, with a high near 62. South wind around 9 mph.
Sunday Night
Mostly cloudy, with a low around 44. West wind around 6 mph becoming east northeast after midnight.
Monday
A 30 percent chance of rain after 4pm. Partly sunny, with a high near 63.
Monday Night
Rain, mainly after 10pm. Low around 53. Chance of precipitation is 80%.
Tuesday
Rain. Cloudy, with a high near 58.
Tuesday Night
Rain, mainly before 10pm. Cloudy, with a low around 51.
Wednesday
A chance of rain. Mostly cloudy, with a high near 60.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 48.
Thursday
A slight chance of rain. Partly sunny, with a high near 63.
Thursday Night
A slight chance of rain. Mostly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles E Hercules CA
 38.01°N 122.18°W (Elev. 597 ft)
12:26 am PST Feb 21, 2026
1am PST Feb 21, 2026-6pm PST Feb 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database